18 x 12 x 4 Kraft Tab Locking Literature Mailers

- Front lock tabs for secure closure
- Made from economical kraft material
- 200 lb. test strength
- Ideal for books
- Comes in a bundle of 25
- Outside dimensions: 19 3/8 x 12 3/8 x 4 1/4 (+/- 1/8)
- Made from B flute material
- Recyclable and environmentally friendly
- Meets ASTM D5118 specifications
- FSC or SFI compliance not guaranteed due to multiple paper mills involved
- Ships flat for easy transportation